CN209849882U - Environment-friendly ferrosilicon pouring workshop - Google Patents

Abstract

An environment-friendly ferrosilicon pouring workshop, includes flue gas collection device, factory building, flue gas collection device is located the factory building, flue gas collection device includes flue gas collection unit, flue gas collecting box, flue gas collection unit includes flue gas collection cover, flue gas lid subassembly, and each window includes window frame, axis of rotation, window lid, gear shifting ware, fixed pulley, first stay cord, second stay cord, the utility model has the advantages that, adopt the mode of stay cord to open the window, and the window lid dead weight closes the window, compares with current motor drive's structure, and energy-conservation and structure are very simple, connects through the gear shifting ware between first cylinder and the second stay cord, and strong adaptability, first cylinder interlock control the operating condition of flue gas collection unit and window, when having ensured the pouring, close the window when opening flue gas collection unit, when finishing the pouring, open the window when closing flue gas collection unit, the problem of high temperature flue gas emerge from the window of factory building both sides and pollute the environment in the pouring process is solved.

Description

Environment-friendly ferrosilicon pouring workshop

Technical Field

The utility model relates to a ferrosilicon smelting flue gas collecting device technical field, in particular to environment-friendly ferrosilicon pouring shop.

Background

The traditional ferrosilicon ore heating furnace generally adopts a traveling ladle to travel to a fixed casting mold cavity for casting when casting iron. Because the furnace type is big, output is high, during the casting, the flue gas in the ferrosilicon liquid will be discharged to the factory building unorganized, and current dust collecting equipment can not accomplish totally closed, and inevitable in the pouring process has the dust to spread to the factory building in, then, the high temperature flue gas emits and pollutes the environment from the window of factory building both sides, directly influences resident environment and air quality on every side, can't adapt to the requirement of national environmental protection situation.

Disclosure of Invention

In view of the above, there is a need to provide an environment-friendly ferrosilicon pouring shop that can avoid environmental pollution caused by high-temperature flue gas emitted from the factory.

The utility model provides an environment-friendly ferrosilicon pouring workshop, includes flue gas collection device, factory building, flue gas collection device is located the factory building, flue gas collection device includes that the flue gas collects unit, flue gas collecting box, the flue gas is collected the unit and is included flue gas collection cover, flue gas lid subassembly, the cover is detained directly over pouring cover subassembly casting head to the flue gas is collected, the equal opening of cover fore-and-aft direction is collected to the flue gas, the top of cover is collected to the flue gas collecting box is arranged in the flue gas, and it has first flue gas collecting hole to open at the flue gas collection cover diapire, opens second flue gas collecting hole on the diapire of flue gas collecting box, and first flue gas collecting hole and second flue gas collecting hole are coaxial to communicate the inner chamber of flue gas collection cover with the inner chamber of flue gas collecting box through first flue gas collecting hole, second flue gas collecting hole, and open one side of flue gas collecting box has the flue gas discharge, The smoke collection cover is arranged at the position of the first smoke collection hole, the first air cylinder is fixed at the top of the smoke collection box, the fixed end of the first air cylinder is fixedly connected with the smoke collection box, the telescopic end of the first air cylinder is fixedly connected with the smoke collection cover so as to drive the smoke collection cover to move up and down through the telescopic action of the first air cylinder and further cover or open the first smoke collection hole, two rows of oppositely arranged windows are arranged at the upper part of the side wall of the factory building, each window comprises a window frame, a rotating shaft, a window cover, a gear changer, a fixed pulley, a first pull rope and a second pull rope, the window frame is embedded in the side wall of the factory building, the rotating shaft penetrates through the middle part of the window cover and is rotatably connected with the window cover, the rotating shaft is horizontally arranged between two vertical inner side walls of the window frame so that the window cover rotates in a vertical plane relative to the window frame, one end, so that the window lid relies on the dead weight to resume to vertical state, the shifter is installed in the below of window frame, the shifter includes a plurality of coaxial settings, and relative synchronous rotation's guide pulley, from a left side to the right side, the diameter of guide pulley reduces in proper order, the fixed pulley sets up in the top of window frame, the one end and the pull ring fixed connection of first stay cord, the other end winding of first stay cord is on the guide pulley on shifter right side, the one end winding of second stay cord is on the left guide pulley of shifter, the fixed pulley is walked around to the other end of second stay cord, and with the flexible end fixed connection of first cylinder.

Preferably, the environment-friendly ferrosilicon pouring workshop also comprises a flue gas treatment device, the flue gas treatment device is positioned outside the workshop, flue gas processing apparatus includes particulate matter separator, sack cleaner, particulate matter separator includes horizontal straight tube, toper collecting tank, circular arc return bend, vertical connecting cylinder, the one end of horizontal straight tube is connected with flue gas collecting tank's fume emission mouth, the other end of horizontal straight tube and the access connection of toper collecting tank, the middle part of horizontal straight tube is equipped with the one-level exhanst gas outlet, circular arc return bend level is placed on the top of vertical connecting cylinder, the one-level flue gas inlet of the one end of circular arc return bend is connected with the one-level exhanst gas outlet of horizontal straight tube, the second grade exhanst gas outlet of the other end of circular arc return bend and the second grade exhanst gas inlet connection on vertical connecting cylinder upper portion, the tertiary exhanst.

Preferably, the flue gas collecting unit further comprises a flue gas guiding assembly, the flue gas guiding assembly comprises a plurality of compressed air injection nozzles arranged on two sides of the pouring head, compressed gas outlets of the compressed air injection nozzles all point to the first flue gas collecting hole of the flue gas collecting cover, so that after high-pressure air injected by the compressed air injection nozzles enters the flue gas collecting box, negative pressure is formed below the first flue gas collecting hole, and flue gas generated at the position of the pouring head below the first flue gas collecting hole is guided to enter the flue gas collecting box.

Preferably, the compressed air injection nozzles are uniformly distributed along the periphery of the pouring head, so that high-pressure air injected by the compressed air injection nozzles forms a compressed air wall which gradually reduces from bottom to top between the bottom wall of the flue gas collecting cover and the top wall of the flue gas collecting cover, and further, flue gas generated at the pouring head is prevented from flowing out from the open ends at the two sides of the flue gas collecting cover.

Preferably, the side wall and the top wall of the flue gas collecting cover are both composed of an inner wall and an outer wall, rake tooth-shaped columns are densely distributed on the inner side surface of the outer wall, one ends of the columns are fixedly connected with the outer wall, the other ends of the columns freely extend at a certain angle with the inner side surface of the outer wall, and the inner wall is made of refractory materials poured between the rake tooth-shaped columns on the inner side surface of the outer wall.

The beneficial effects of the utility model reside in that, the window is opened to the mode that adopts the stay cord, the window is closed to the window lid dead weight, compare with current motor drive's structure, energy-conservation and structure are very simple, be connected through the gear shifting ware between first cylinder and the second stay cord, strong adaptability, the operating condition of first cylinder chain control flue gas collecting element and window, when having ensured the pouring, close the window when opening flue gas collecting element, when finishing the pouring, open the window when closing flue gas collecting element, the problem of the high temperature flue gas emits and the polluted environment from the window of factory building both sides in the pouring process has been solved.

Drawings

FIG. 1 is a front view of the environment-friendly ferrosilicon casting shop.

FIG. 2 is a cross-sectional view of the environment-friendly ferrosilicon casting shop of FIG. 1 taken along the A-A direction.

FIG. 3 is a cross-sectional view of the environment-friendly ferrosilicon casting shop of FIG. 2 taken along the direction B-B.

Fig. 4 is an enlarged view of a portion of the window shown in fig. 2.

Fig. 5 is a top view of the flue gas treatment device.

In the figure: a flue gas collecting device 10, a flue gas collecting unit 11, a flue gas collecting cover 111, a first flue gas collecting hole 1111, an inner wall 1112, an outer wall 1113, a column 1114, a flue gas guide assembly 112, a compressed air injection nozzle 1121, a flue gas cover assembly 113, a flue gas collecting cover 1131, a first air cylinder 1132, a flue gas collecting box 12, a second flue gas collecting hole 121, a flue gas discharge port 122, a flue gas processing device 20, a particulate matter separator 21, a horizontal straight pipe 211, a primary flue gas outlet 2111 and a conical material collecting tank 212, the device comprises an arc elbow 213, a primary flue gas inlet 2131, a secondary flue gas outlet 2132, a vertical connecting cylinder 214, a secondary flue gas inlet 2141, a tertiary flue gas outlet 2142, a bag-type dust collector 22, a casting fixed mold assembly 30, a casting head 31, a plant 40, a window 41, a window frame 411, a rotating shaft 412, a window cover 413, a pull ring 4131, a gear shifter 414, a guide wheel 4141, a fixed pulley 415, a first pull rope 416 and a second pull rope 417.

Detailed Description

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Referring to fig. 1 to 5, an embodiment of the present invention provides an environment-friendly ferrosilicon pouring workshop, including a flue gas collecting device 10, a factory building 40, the flue gas collecting device 10 is located in the factory building 40, the flue gas collecting device 10 includes a flue gas collecting unit 11, a flue gas collecting box 12, the flue gas collecting unit 11 includes a flue gas collecting cover 111, a flue gas cover assembly 113, the flue gas collecting cover 111 is covered and buckled right above a pouring head 31 of a pouring fixed mold assembly 30, the flue gas collecting cover 111 is open in the front and back directions, the front and back directions referred to herein are respectively in paper and out of paper in fig. 1, the flue gas collecting box 12 is arranged on the top of the flue gas collecting cover 111, a first flue gas collecting hole 1111 is opened on the top wall of the flue gas collecting cover 111, a second flue gas collecting hole 121 is opened on the bottom wall of the flue gas collecting box 12, the first flue gas collecting hole 1111 and the second flue gas collecting hole 121 are coaxially arranged, The inner cavity of the smoke collection cover 111 is communicated with the inner cavity of the smoke collection box 12 through the second smoke collection hole 121, a smoke discharge port 122 is formed in one side of the smoke collection box 12, the smoke cover assembly 113 comprises a smoke collection cover 1131 and a first cylinder 1132, the smoke collection cover 1131 is arranged at the first smoke collection hole 1111, the first cylinder 1132 is fixed at the top of the smoke collection box 12, the fixed end of the first cylinder 1132 is fixedly connected with the smoke collection box 12, the telescopic end of the first cylinder 1132 is fixedly connected with the smoke collection cover 1131, so that the smoke collection cover 1131 is driven to move up and down through the telescopic action of the first cylinder 1132, the first smoke collection hole 1111 is covered or opened, two rows of opposite windows 41 are arranged on the side wall of the plant 40, each window 41 comprises a window frame 411, a rotating shaft 412, a window cover 413, a gear changer 414, a fixed pulley 415, a first pull rope 416 and a second pull rope 417, and the window frame 411 is embedded, a rotating shaft 412 penetrates through the middle of the window cover 413 and is rotatably connected with the window cover 413, the rotating shaft 412 is horizontally arranged between two vertical inner side walls of the window frame 411 so that the window cover 413 rotates in a vertical plane relative to the window frame 411, one end of the window cover 413 is provided with a pull ring 4131, the gravity center of the window cover 413 is deviated to one side relative to the pull ring 4131 so that the window cover 413 returns to a vertical state by means of self-weight, the gear shifter 414 is installed below the window frame 411, the gear shifter 414 comprises a plurality of guide wheels 4141 which are coaxially arranged and rotate relatively and synchronously, the diameters of the guide wheels 4141 are sequentially reduced from left to right, the fixed pulley 415 is arranged above the window frame 411, one end of the first rope 416 is fixedly connected with the pull ring 4131, the other end of the first rope 416 is wound on the guide wheel 4141 on the right side of the gear shifter 414, one end of the second rope 417 is wound on the guide wheel 4141 on the left side, and is fixedly connected to the telescopic end of the first cylinder 1132.

During ferrosilicon pouring, first cylinder 1132 is manually started, smoke collection cover 1131 is opened, first cylinder 1132 drives smoke collection cover 1131 to open, and simultaneously, first cylinder 1132 pulls second stay cord 417, second stay cord 417 pulls guide wheel 4141 on the left side of gear shifter 414 to rotate, guide wheel 4141 on the left side of gear shifter 414 drives guide wheel 4141 on the right side to rotate, guide wheel 4141 on the right side of gear shifter 414 rotates and pulls first stay cord 416, and first stay cord 416 drives window cover 413 to rotate downwards around rotating shaft 412 to open window 41.

After the ferrosilicon pouring is finished, flue gas collection unit 11 finishes the flue gas and collects the back, and the first cylinder 1132 is closed to the manual work, and second stay cord 417 is relaxed, first stay cord 416 is relaxed, and the window lid 413 that the focus was inclined to the setting resumes to vertical state under the effect of gravity, covers and closes window 41.

In this embodiment, the opening degree of the window 41 is controlled by the rotation angle of the window cover 413, the stroke of the first cylinder 1132 is constant, the gear shifter 414 is designed to freely control the rotation angle of the window cover 413, and when the opening degree of the window 41 needs to be maximized, the second rope 417 is wound around the leftmost guide wheel 4141, and the first rope 416 is wound around the rightmost guide wheel 4141, or vice versa.

The beneficial effects of the utility model reside in that, window 41 is opened to the mode that adopts the stay cord, window 41 is closed to window lid 413 dead weight, compare with current motor drive's structure, energy-conservation and structure are very simple, be connected through gear shifting ware 414 between first cylinder 1132 and the second stay cord 417, strong adaptability, the operating condition of first cylinder 1132 interlocking control flue gas collection unit 11 and window 41, when having ensured the pouring, close window 41 when opening flue gas collection unit 11, when finishing the pouring, open window 41 when closing flue gas collection unit 11, the problem of pouring in-process high temperature flue gas emits and polluted environment from the window 41 of factory building 40 both sides has been solved.

Referring to fig. 1 and 5, further, the environment-friendly ferrosilicon pouring shop further comprises a flue gas treatment device 20, the flue gas treatment device 20 is located outside the factory building 40, the flue gas treatment device 20 comprises a particulate matter separator 21 and a bag-type dust collector 22, the particulate matter separator 21 comprises a horizontal straight pipe 211, a conical material collecting tank 212, an arc elbow 213 and a vertical connecting cylinder 214, one end of the horizontal straight pipe 211 is connected with a flue gas discharge port 122 of the flue gas collecting tank 12, the other end of the horizontal straight pipe 211 is connected with an inlet of the conical material collecting tank 212, a first-stage flue gas outlet 2111 is arranged in the middle of the horizontal straight pipe 211, the arc elbow 213 is horizontally placed at the top end of the vertical connecting cylinder 214, a first-stage flue gas inlet 2131 at one end of the arc elbow 213 is connected with the first-stage flue gas outlet 2111 of the horizontal straight pipe 211, a second-stage flue gas outlet, the three-stage flue gas outlet 2142 at the lower part of the vertical connecting cylinder 214 is connected with the inlet of the bag-type dust collector 22 through a pipeline.

In the embodiment, after being collected by the flue gas collecting cover 111, the high-temperature flue gas enters the flue gas collecting box 12 for preliminary sedimentation and then enters the particulate matter separator 21, the high-temperature flue gas enters the horizontal straight pipe 211 of the particulate matter separator 21, particulate matters in the high-temperature flue gas linearly run along the horizontal straight pipe 211 and then enter the sealed conical material collecting tank 212, the particulate matters in the high-temperature flue gas flow out from the first-stage flue gas outlet 2111 in the middle of the horizontal straight pipe 211 due to large inertia and cannot be turned, gaseous substances in the high-temperature flue gas flow out from the first-stage flue gas outlet 2111 in the middle of the horizontal straight pipe 211 after being turned, the gaseous substances enter the arc bent pipe 213 from the first-stage flue gas inlet 2131 of the arc bent pipe 213, the high-temperature flue gas with the separated particulate matters enters the vertical connecting cylinder 214, finer particulate matters in the high-temperature flue gas are, irregular particles can not enter the bag-type dust collector 22 again, so that the bag of the bag-type dust collector 22 is prevented from being cut open, production faults are reduced, and maintenance cost is reduced.

Referring to fig. 1 to 3, further, the flue gas collection unit 11 further includes a flue gas guiding assembly 112, the flue gas guiding assembly 112 includes a plurality of compressed air injection nozzles 1121 disposed at two sides of the pouring head 31, and compressed gas outlets of the compressed air injection nozzles 1121 all point to the first flue gas collection hole 1111 of the flue gas collection cover 111, so that after high-pressure air injected by the compressed air injection nozzles 1121 enters the flue gas collection box 12, a negative pressure is formed below the first flue gas collection hole 1111 to guide flue gas generated at the pouring head 31 below the first flue gas collection hole 1111 to enter the flue gas collection box 12.

In this embodiment, the flue gas is collected the equal opening of cover 111 fore-and-aft direction, and high temperature flue gas scatters from both sides around the flue gas is collected cover 111 easily, causes great pollution.

In this embodiment, the melt flows out from one side of the flue gas collecting hood 111, and it is difficult to solve the problem of flue gas emission by adopting a conventional closed structure.

In this embodiment, after the high pressure air ejected from the compressed air ejection nozzle 1121 enters the flue gas collection box 12, can prevent the smoke dust in the smoke collecting cover 111 from being discharged from two sides, the jet flow function of high-pressure air, the smoke around the high-pressure air boundary flows to the smoke collecting cover 111, which has the function of flow guiding, and the high-pressure air enters the smoke collecting box 12 by the jet flow function of the high-pressure air, the negative pressure is formed below the flue gas collecting box 12, certain power can be provided for flue gas entering the flue gas collecting box 12, zero exhaust of the flue gas is achieved, in addition, the bag-type dust collector 22 is started during iron pouring, the flue gas generated during iron pouring is collected into the flue gas collecting box 12, the micro silicon powder is recovered through the bag-type dust collector 22, and the micro silicon powder is used as a batching in the cement industry, so that the full utilization of resources is achieved, and the atmospheric environment is protected.

Referring to fig. 1 to 3, further, the compressed air injection nozzles 1121 are uniformly distributed along the periphery of the pouring head 31, so that the high-pressure air injected by the compressed air injection nozzles 1121 forms a compressed air wall which is gradually reduced from bottom to top between the bottom wall of the flue gas collection hood 111 and the top wall of the flue gas collection hood 111, and further, the flue gas generated at the pouring head 31 is prevented from flowing out from the open ends at both sides of the flue gas collection hood 111.

Referring to fig. 1 to 3, further, the side wall and the top wall of the flue gas collecting hood 111 are both composed of an inner wall 1112 and an outer wall 1113, rake teeth-shaped columns 1114 are densely distributed on the inner side surface of the outer wall 1113, one end of each column 1114 is fixedly connected with the outer wall 1113, the other end of each column 1114 freely extends at a certain angle with the inner side surface of the outer wall 1113, and the inner wall 1112 is made of refractory material poured between the rake teeth-shaped columns 1114 on the inner side surface of the outer wall 1113.

In this embodiment, the inner side of the outer wall 1113 of the flue gas collecting cover 111 is welded with the column 1114, and then the refractory material is filled between the column 1114 to form the inner wall 1112, so that the bonding strength between the inner wall 1112 and the outer wall 1113 is ensured, and the composite formed by the column 1114 and the inner wall 1112 can resist the scouring of high-temperature flue gas.

The embodiment of the utility model provides a module or unit in the device can merge, divide and delete according to actual need.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

Claims (5)

1. The utility model provides an environment-friendly ferrosilicon pouring shop which characterized in that: the device comprises a flue gas collecting device and a plant, wherein the flue gas collecting device is positioned in the plant and comprises a flue gas collecting unit and a flue gas collecting box, the flue gas collecting unit comprises a flue gas collecting cover and a flue gas cover component, the flue gas collecting cover is buckled right above a pouring head of a pouring fixed die component, the flue gas collecting cover is uniformly opened in the front-back direction, the flue gas collecting box is arranged at the top of the flue gas collecting cover, a first flue gas collecting hole is formed in the top wall of the flue gas collecting cover, a second flue gas collecting hole is formed in the bottom wall of the flue gas collecting box, the first flue gas collecting hole and the second flue gas collecting hole are coaxially arranged so as to communicate the inner cavity of the flue gas collecting cover with the inner cavity of the flue gas collecting box through the first flue gas collecting hole and the second flue gas collecting hole, a flue gas discharging port is formed in one side of the flue gas collecting box, and, the smoke collecting cover is arranged at the position of the first smoke collecting hole, the first air cylinder is fixed at the top of the smoke collecting box, the fixed end of the first air cylinder is fixedly connected with the smoke collecting box, the telescopic end of the first air cylinder is fixedly connected with the smoke collecting cover so as to drive the smoke collecting cover to move up and down through the telescopic of the first air cylinder and further cover or open the first smoke collecting hole, two rows of oppositely arranged windows are arranged at the upper part of the side wall of the factory building, each window comprises a window frame, a rotating shaft, a window cover, a gear shifter, a fixed pulley, a first pull rope and a second pull rope, the window frame is embedded in the side wall of the factory building, the rotating shaft penetrates through the middle part of the window cover and is rotatably connected with the window cover, the rotating shaft is horizontally arranged between the two inner side walls of the vertical window frame so that the window cover rotates in a vertical plane relative to the window, so that the window lid relies on the dead weight to resume to vertical state, the shifter is installed in the below of window frame, the shifter includes a plurality of coaxial settings, and relative synchronous rotation's guide pulley, from a left side to the right side, the diameter of guide pulley reduces in proper order, the fixed pulley sets up in the top of window frame, the one end and the pull ring fixed connection of first stay cord, the other end winding of first stay cord is on the guide pulley on shifter right side, the one end winding of second stay cord is on the left guide pulley of shifter, the fixed pulley is walked around to the other end of second stay cord, and with the flexible end fixed connection of first cylinder.

2. The environment-friendly ferrosilicon pouring shop of claim 1, characterized in that: the environment-friendly ferrosilicon pouring workshop also comprises a flue gas treatment device, the flue gas treatment device is positioned outside the workshop, flue gas processing apparatus includes particulate matter separator, sack cleaner, particulate matter separator includes horizontal straight tube, toper collecting tank, circular arc return bend, vertical connecting cylinder, the one end of horizontal straight tube is connected with flue gas collecting tank's fume emission mouth, the other end of horizontal straight tube and the access connection of toper collecting tank, the middle part of horizontal straight tube is equipped with the one-level exhanst gas outlet, circular arc return bend level is placed on the top of vertical connecting cylinder, the one-level flue gas inlet of the one end of circular arc return bend is connected with the one-level exhanst gas outlet of horizontal straight tube, the second grade exhanst gas outlet of the other end of circular arc return bend and the second grade exhanst gas inlet connection on vertical connecting cylinder upper portion, the tertiary exhanst.

3. The environment-friendly ferrosilicon pouring shop of claim 1, characterized in that: the flue gas collecting unit further comprises a flue gas flow guide assembly, the flue gas flow guide assembly comprises a plurality of compressed air injection nozzles arranged on two sides of the pouring head, compressed gas outlets of the compressed air injection nozzles all point to the first flue gas collecting hole of the flue gas collecting cover, so that after high-pressure air injected by the compressed air injection nozzles enters the flue gas collecting box, negative pressure is formed below the first flue gas collecting hole, and flue gas generated at the position of the pouring head below the first flue gas collecting hole is guided to enter the flue gas collecting box.

4. The environment-friendly ferrosilicon pouring shop of claim 3, characterized in that: the compressed air injection nozzles are uniformly distributed along the periphery of the pouring head, so that high-pressure air injected by the compressed air injection nozzles forms a compressed air wall which gradually reduces from bottom to top between the bottom wall of the flue gas collecting cover and the top wall of the flue gas collecting cover, and further flue gas generated at the pouring head is prevented from flowing out from the open ends of the two sides of the flue gas collecting cover.

5. The environment-friendly ferrosilicon pouring shop of claim 1, characterized in that: the side wall and the top wall of the flue gas collecting cover are both composed of an inner wall and an outer wall, rake teeth-shaped columns are densely distributed on the inner side surface of the outer wall, one ends of the columns are fixedly connected with the outer wall, the other ends of the columns freely extend at a certain angle with the inner side surface of the outer wall, and the inner wall is made of refractory materials poured between the rake teeth-shaped columns on the inner side surface of the outer wall.